black
#000000
#663F71
#663F71
Color Values
| Format | #000000 | #663F71 |
|---|---|---|
| HEX | #000000 | #663F71 |
| RGB | 0, 0, 0 | 102, 63, 113 |
| HSL | 0.0, 0.0%, 0.0% | 286.8, 28.4%, 34.5% |
| HSV | 0.0, 0.0%, 0.0% | 286.8, 44.2%, 44.3% |
| CMYK | 0%, 0%, 0%, 100% | 9.7%, 44.2%, 0.0%, 55.7% |
| OKLCH | 0.0 0.0 0.0 | 0.4338 0.0921 318.6 |
Contrast & Accessibility
2.51:1
AA Fail
AA Large Fail
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #663F71 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #663F71
Color Difference (Delta E)
47.72
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #663F71);
background: linear-gradient(135deg, #000000, #663F71);